Source : Webster's Revised Unabridged Dictionary (1913)

Revamp \Re*vamp"\, v. t.
   To vamp again; hence, to patch up; to reconstruct.

Source : WordNet®

revamp
     v 1: to patch up or renovate; repair or restore; "They revamped
          their old house before selling it"
     2: provide (a shoe) with a new vamp; "revamp my old boots"
        [syn: {vamp}]